using System;
using System.Collections.Generic;

namespace frame
{
	/*ce code ne sert qu'a itérer le L-System à partire des regles*/
	public class Lsystem
	{
		public string Tree;
		public string start;
		public Dictionary<string, string> rules= new Dictionary<string, string>();
		public Lsystem ()
		{
//			Tree= "X";
//			rules = new Dictionary<string, string>() {{"X" , "F-[[X]+X]+F[+FX]-X"},{"F", "F[+F]F[-F]F"}};
			Tree= "F";
			rules = new Dictionary<string, string>() {{"F", "F[-F]F[+F][F]"}};
//			Tree= "F";
//			rules = new Dictionary<string, string>() {{"F", "FF-[-F+F+F]+[+F-F-F]"}};
//			Tree= "F";
//			rules = new Dictionary<string, string>() {{"F", "F[+F]F[-F]F"}};
		}
		public string iterate(){
			string newtree = "";
			for (int j=0;j<Tree.Length;j++){
				string i = Tree[j].ToString();
				foreach (KeyValuePair<string, string> pair in rules){
					if (i == pair.Key){
						i = pair.Value ;
						break;
					}
				}
				newtree = newtree + i;
			}
			Tree = newtree;
			return newtree;
		}
	}
}